48
APPENDIX B __________________________________________________
B1 MAINTENANCE SCHEDULE
The MR700 series humidifiers operating software continually monitors the performance characteristics of the humidifier reporting any errors and in the event of a fatal error terminates operation in a fail safe mode. For this reason preventative maintenance of the humidifier need only be performed at extended intervals.
The following list of routine checks are recommended to be performed at the intervals stated.
For each maintenance check fill out a checklist, as given in Appendix B2.
B1.1 MONTHLY
Perform the following:
1Check temperature probe for damage to sensor tips, abrasion of the cable or tarnishing of electrical contacts. Clean with alcohol on a swab or replace as necessary.
2Remove and check the reusable hose heater wire (if fitted) for kinks and abrasions. Replace if necessary.
3Check heater wire connector for damage to cable and both end plugs. Check for correct coupling of the plugs with their respective sockets on the heater base and heater wire assembly.
4Check humidifier power cable for damage and replace as necessary.
5Plug probe and heater wire (if fitted) into heater base and switch on. Observe correct operation of power up procedure. Check for no immediate alarms and correct display of ambient temperature. Continue to run for at least 30 seconds by which time all the relevant internal tests will have been completed. Switch off.
B1.2 THREE MONTHLY
Perform a temperature probe test as outlined in § 6.4.
B1.3 ANNUALLY
Execute a performance check appropriate to the humidifier model as detailed in § 6.0.
Carry out Electrical Safety checks as per Appendix B2.
B1.4 ANNUALLY OR IN ACCORDANCE WITH RELEVANT COUNTRY REGULATIONS
Carry out Electrical Safety checks, see Appendix B2.
Ref. 185040646 MR730/720/700/480 Technical Manual ¯ Revision F ¯ Issued March 2001
